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When to Plant Mustard Greens in East Baton Rouge Parish, LA

Mustard greens are fast-growing brassicas with a spicy, peppery kick. They come in green, red, and purple varieties and are excellent cooked or in salads.

East Baton Rouge Parish, Louisiana is in USDA Zone 8b. The average last spring frost is February 21 and the first fall frost is December 1, giving you a growing season of approximately 283 days.

At an elevation of 96 feet, East Baton Rouge Parish receives approximately 51.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 95ยฐF, so Mustard Greens may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Mustard Greens will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Mustard Greens root diseases.

East Baton Rouge Parish, LA (Zone 8b) Year-round
283 days
Last Spring Frost February 21
283 growing days
First Fall Frost December 1

East Baton Rouge Parish Soil Profile

Soil Type

Sandy Loam

Soil pH

4.9-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (186 days to spare)
Start indoors: Jan 8 Transplant: Feb 12 🍅 Harvest: Mar 19 – May 21
Recommended (50%) ✓ Fits season (185 days to spare)
Start indoors: Jan 17 Transplant: Feb 21 🍅 Harvest: Mar 28 – May 30
Safe Start (90%) ✓ Fits season (180 days to spare)
Start indoors: Feb 5 Transplant: Mar 12 🍅 Harvest: Apr 16 – Jun 18

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Mustard Greens needs ~850 GDD — county provides 6,035 GDD Excellent fit

Mustard Greens Planting Timeline โ€” East Baton Rouge Parish, LA

Mustard Greens Planting Calendar

Activity When Date Range
Start Indoors January 17 Jan 17 โ€“ Jan 31
Transplant Outdoors February 21 Feb 21 โ€“ Mar 7
Direct Sow February 7 Feb 7 โ€“ Feb 28
Fall Sowing September 22 Sep 22 โ€“ Oct 6
Harvest March 28 Mar 28 โ€“ May 30

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Transplant Outdoors Direct Sow
March Transplant Outdoors Harvest
April Harvest
May Harvest
June โ€”
July โ€”
August โ€”
September Fall Sowing
October Fall Sowing
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

30โ€“50 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

283 days

Growing Tips for East Baton Rouge Parish

Direct sow in early spring or fall. Harvest young leaves for milder flavor. Plants bolt quickly in heat so grow as a cool-season crop or provide shade.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Mustard Greens in East Baton Rouge Parish, LA?

East Baton Rouge Parish is in Zone 8b with an average last frost of February 21. Plan your Mustard Greens planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is East Baton Rouge Parish, LA?

East Baton Rouge Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is February 21 and first fall frost is December 1.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help East Baton Rouge Parish gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for East Baton Rouge Parish, LA. Local conditions may vary. Last updated: April 2026.